Sentient Developments podcast for the week of November 28, 2011

Sentient Developments Podcast for the week of November 28, 2011.

Topics discussed in this week's episode include the current Adderall shortage in the United States and its rampant off-label use (including a discussion of its nootropic qualities), the question of whether or not SETI is scientific (in response to a recent Rationally Speaking Podcast episode), how to avoid an asteroid impact (reflecting on Phil Plait's recent TED talk), observing the lost tribes of the Amazon (in consideration of Scott Wallace's new book), and remembering biologist Lynn Margulis.

Tracks used in this episode:

• Opeth: "Heritage"
• Cynic: "Amidst the Coals"
• Cynic: "Hieroglyph"
• Steven Wilson: "Grace for Drowning"

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